Automatic Transmission Vacuum Modulator
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Pro-King Automatic Transmission Vacuum Modulator

Part No. MD-29 Warranty Details  

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Fully adjustable vacuum modulator to maintain accurate shift points.
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O.E.M. Replacement:Yes
Transmission Manufacturer:Nissan/Jatco
Transmission Model:3N71B

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1 Question | 1 Answer
Displaying question 1
  • Q:

    How do you adjust the vacuum modulator on an 88 Nissan 300ZX with turbo?
    Asked on 3/28/2010 by James from St. Clairsville, Ohio

    1 answer



      There should be a screw taht you can turn counter clockwise or clockwise.

      Answered on 4/21/2010 by kevin from AAP
Displaying question 1

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